using System;
using System.Reflection;
using BumpCombat.Combat;
using BumpCombat.Player;
using NUnit.Framework;
using UnityEditor;
using UnityEngine;

namespace BumpCombat.Tests
{
    public sealed class ArtifactChargeVisualTests
    {
        private static readonly ActiveArtifactEffect[] Effects =
        {
            ActiveArtifactEffect.Dash,
            ActiveArtifactEffect.Pulse,
            ActiveArtifactEffect.Phoenix,
            ActiveArtifactEffect.Cyclone,
            ActiveArtifactEffect.ThunderCrash,
            ActiveArtifactEffect.ChainLightning,
        };

        [Test]
        public void ChargeResources_UseSix64PixelCellsAndPointImport()
        {
            foreach (ActiveArtifactEffect effect in Effects)
            {
                foreach (string phase in new[]
                {
                    "Aura",
                    "ReadyAura",
                    "Flash",
                    "Release",
                })
                {
                    string path =
                        $"Assets/_Project/Resources/Artifacts/Charge/"
                        + $"{effect}-{phase}-v1.png";
                    Texture2D texture = AssetDatabase.LoadAssetAtPath<Texture2D>(path);
                    Assert.That(texture, Is.Not.Null, path);
                    Assert.That(
                        texture.width,
                        Is.EqualTo(phase == "Flash" ? 256 : 384),
                        path);
                    Assert.That(texture.height, Is.EqualTo(64), path);
                    Assert.That(texture.filterMode, Is.EqualTo(FilterMode.Point), path);
                    Assert.That(texture.mipmapCount, Is.EqualTo(1), path);
                }
            }
        }

        [Test]
        public void ControllerAwake_AutoAddsChargeVisualComponent()
        {
            GameObject owner = new("Artifact Charge Visual Harness");
            try
            {
                owner.AddComponent<PlayerStats>();
                owner.AddComponent<Rigidbody2D>();
                ActiveArtifactController controller =
                    owner.AddComponent<ActiveArtifactController>();
                typeof(ActiveArtifactController)
                    .GetMethod("Awake", BindingFlags.Instance | BindingFlags.NonPublic)
                    ?.Invoke(controller, null);

                Assert.That(
                    owner.GetComponent<ArtifactChargeVisual>(),
                    Is.Not.Null);
                Assert.That(controller, Is.Not.Null);
            }
            finally
            {
                UnityEngine.Object.DestroyImmediate(owner);
            }
        }
    }
}